no spark

I just put in a new motor in my car I have all the plugs in except one but I don’t see where it goes I have changed out all the parts that where mentioned except for ecu but still no spark one thing I noticed with my friends talon is that the plug that goes to his transistor is hot on the first and last prongs and I only have power to one I was wonder if that could be it because I have been fighting with my car for a awhile and I need it to go to college thanks in advance.

your coilpack might be the problem, its not a rare occasion to have a dsm fubar a coilpack. You know anybody that would be able to plug in a logger or scantool into your car?

ive changed it out already and im gonna try to get it on the computer

gound your ecu!!! i had same problem